Answer:
78% of students is 18
Step-by-step explanation:
116.62m
x=2 , x=(-1)
y=x^2+3----------1
y=x+5-------------2
1=2
x^2+3 = x+5
x^2-x-2=0
(x-2)(x+1)=0
77.8
76.0+1.8=77.8